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Oracle: how to UPSERT (update or insert into a table?)
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@chotchki: really? An explanation would be helpful.
– Tony Andrews
Sep 29 '11 at 8:51
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java: Class.isInstance vs Class.isAssignableFrom
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Both answers are in the ballpark but neither is a complete answer.
MyClass.class.isInstance(obj) is for checking an instance. It returns true when the parameter obj is non-null and can be cast to MyClass without raising a ClassCastException. In ot...
Clicking URLs opens default browser
...a WebViewClient. The method you want is shouldOverrideUrlLoading(). This allows you to perform your own action when a particular URL is selected.
You set the WebViewClient of your WebView using the setWebViewClient() method.
If you look at the WebView sample in the SDK there's an example which d...
WPF Data Binding and Validation Rules Best Practices
I have a very simple WPF application in which I am using data binding to allow editing of some custom CLR objects. I am now wanting to put some input validation in when the user clicks save. However, all the WPF books I have read don't really devote any space to this issue. I see that you can create...
How to set my default shell on Mac?
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Here's another way to do it:
Assuming you installed it with MacPorts, which can be done by doing:
sudo port install fish
Your shell will be located in /opt/local/bin/fish.
You need to tell OSX that this is a valid shell. To do that, add this path to the end of the /...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...n't have the sendgrid addon and my smtp hasn't configured. Many thanks for all your backup!
– benoitr
Nov 7 '10 at 16:13
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Changing the size of a column referenced by a schema-bound view in SQL Server
...INDING defined. is there any easy way of bypassing the constrain or do i really need to remove the views to get it working?
– Staelen
Aug 24 '09 at 5:26
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What is the best way to remove a table row with jQuery?
... Doing it this way does mean you need one id per row which potentially adds a lot of overhead. jQuery allows other approaches which are more idiomatic (to jQuery's approach), carry on reading there are more suggestions.
– Ian Lewis
Dec 10 '12 at 13:38
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Do while loop in SQL Server 2008
...not inverted. On the other hand it is also more verbose.
If it wasn't for all of the disdain around the use of GOTO, these might even be idiomatic solutions for those few times when these particular (evil) looping constructs are necessary in T-SQL code for the sake of clarity.
Use these at your ow...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
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The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be considered equal.
Reference: Javascript Tutorial: Comparison Operators
The == operator will compare for equ...